Operator Extensions, Interpolation of Functions and Related Topics

On Some Operator Colligations and Associated Reproducing Kernel Spaces.- On the Spectra of Selfadjoint Extensions.- On the Spectrum of Singular Nonselfadjoint Differential Operators.- The Commutant Lifting Theorem for Contractions on Kre?n Spaces.- A Method for Constructing Invariant Subspaces for some Operators on Kre?n Spaces.- Applications of the Furuta Inequality to Operator Inequalities and Norm Inequalities Preserving some Orders.- Quasi-contractions on Kre?n Spaces.- Antitonicity of the Inverse and J-Contractivity.- Unitary Extensions of a System of Commuting Isometric Operators.- Some Generalizations of Classical Interpolation Problems.- The Kobayashi Distance between two Contractions.- The Category of Quotient Bornological Spaces.